EP 3823062 A4 20220330 - POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, LITHIUM ION BATTERY AND VEHICLE
Title (en)
POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, LITHIUM ION BATTERY AND VEHICLE
Title (de)
POSITIVELEKTRODENMATERIAL UND HERSTELLUNGSVERFAHREN DAFÜR, LITHIUMIONENBATTERIE UND FAHRZEUG
Title (fr)
MATÉRIAU D'ÉLECTRODE POSITIVE ET SON PROCÉDÉ DE PRÉPARATION, BATTERIE LITHIUM-ION ET VÉHICULE
Publication
Application
Priority
- CN 201810753629 A 20180710
- CN 2019095353 W 20190710
Abstract (en)
[origin: EP3823062A1] A cathode material, a preparation method thereof, a lithium ion battery and a vehicle are provided. The cathode material comprises cathode material particles comprising a central area, and a surface layer area, wherein the central area comprises lithium oxide, and the surface layer area comprises lithium oxide and elemental sulfur, in which the lithium oxide comprises δLiNi<sub>m</sub>Co<sub>n</sub>X<sub>(1-m-n)</sub>O<sub>2</sub>·(1-δ)Li<sub>2</sub>MO<sub>3</sub>, where 0≤δ≤1, X comprises at least one selected from Mn, Al, Nb, and Fe, M comprises at least one selected from Mn, Al, Nb, Fe, Co, and Ni, 0≤m<1, and 0≤n<1.
IPC 8 full level
H01M 4/36 (2006.01)
CPC (source: CN EP US)
C01G 53/56 (2013.01 - US); H01M 4/362 (2013.01 - CN); H01M 4/366 (2013.01 - CN EP US); H01M 4/38 (2013.01 - CN EP US); H01M 4/485 (2013.01 - CN); H01M 4/505 (2013.01 - CN EP US); H01M 4/525 (2013.01 - CN EP US); H01M 4/628 (2013.01 - CN EP); H01M 10/0525 (2013.01 - CN EP US); C01P 2004/61 (2013.01 - US); H01M 2004/021 (2013.01 - US); H01M 2004/028 (2013.01 - EP); H01M 2220/20 (2013.01 - CN EP); Y02E 60/10 (2013.01 - EP)
Citation (search report)
- [YA] CN 105406059 A 20160316 - WANG XIAOWEI
- [Y] IDEMOTO YASUSHI ET AL: "Characterization, average and electronic structures during charge-discharge cycle in 0.6Li2MnO3-0.4Li(Co1/3Ni1/3Mn1/3)O2solid solution of a cathode active material for Li-ion", JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 273, 2 October 2014 (2014-10-02), pages 1023 - 1029, XP029092213, ISSN: 0378-7753, DOI: 10.1016/J.JPOWSOUR.2014.09.157
- See references of WO 2020011179A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3823062 A1 20210519; EP 3823062 A4 20220330; CN 110707298 A 20200117; CN 110707298 B 20211112; US 2021292185 A1 20210923; WO 2020011179 A1 20200116
DOCDB simple family (application)
EP 19833625 A 20190710; CN 201810753629 A 20180710; CN 2019095353 W 20190710; US 201917259100 A 20190710